指定網卡工作模式使用 ethtool指令,有時候會使用mii-tool ,但是這個指令顯示不太準确,1000M的也會顯示成100M
ethtool eth0 #産看eth0網卡的資訊
[root@localhost ~]# ethtool eth0
Settings for eth0:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Half 1000baseT/Full
Supported pause frame use: No
Supports auto-negotiation: Yes
Advertised link modes: 1000baseT/Full
Advertised pause frame use: Symmetric Receive-only
Advertised auto-negotiation: Yes
Link partner advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Link partner advertised pause frame use: No
Link partner advertised auto-negotiation: Yes
Speed: 100Mb/s #此處為目前的工作模式資訊
Duplex: Full
Port: MII
PHYAD: 0
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000033 (51)
drv probe ifdown ifup
Link detected: yes
更改網卡的工作模式:使用-s 參數
# ethtool -s eth0 autoneg on speed 1000 duplex full
Speed: 1000Mb/s
本文轉自 酥心糖 51CTO部落格,原文連結:http://blog.51cto.com/tryingstuff/1845356